Development of a Nondestructive Inspection Method for Trees Using Cosmic Rays

Authors

  • Akira Nishio Institute of Materials and Systems for Sustainability, Nagoya University, Japan
  • Katsumi Ishiguro Archaeological Institute of Kashihara, Nara Prefecture, Japan
  • Nobuko Kitagawa Graduate School of Science, Nagoya University, Japan
  • Mitsuaki Kuno Graduate School of Science, Nagoya University, Japan
  • Yuta Manabe Graduate School of Science, Nagoya University, Japan
  • Kunihiro Morishima Graduate School of Science, Nagoya University, Japan

DOI:

https://doi.org/10.31526/jais.2022.251

Keywords:

tree, nondestructive inspection, cosmic-ray imaging, nuclear emulsion

Abstract

We proposed the use of cosmic rays to investigate the interiors of giant trees. Cosmic rays can easily penetrate the interiors of trees having a diameter of 1.5 m or more, which are difficult to investigate using conventional methods. We conducted two experiments to demonstrate the feasibility of this method. In the first experiment, we detected the difference between the presence and absence of a 0.5 m cavity in a 1.2 m diameter wooden plate. In the second experiment, we measured a cedar tree with a circumference of 11 m, with an unknown internal condition, and compared the data with our simulations. The result predicted that there would not be any cavities larger than 1.0 m in diameter. The cedar tree was then cut and it was confirmed that there were no cavities that were larger than 1.0 m in diameter.

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Published

2022-04-01

Issue

Volume 2022

Section

International Workshop on Cosmic-Ray Muography (Muography2021), Ghent, Belgium

License

Journal of Advanced Instrumentation in Science (JAIS) is an open access journal published by Andromeda Publishing and Academic Services. The articles in JAIS are distributed according to the terms of the creative commons license CC-BY 4.0. Under the terms of this license, copyright is retained by the author while use, distribution and reproduction in any medium are permitted provided proper credit is given to original authors and sources.

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How to Cite

[1]
“Development of a Nondestructive Inspection Method for Trees Using Cosmic Rays”, JAIS, vol. 2022, Apr. 2022, doi: 10.31526/jais.2022.251.